(function() {
    var c = navigator.userAgent;
    if (!c.match(/(iPhone|iPad|iPod|Macintosh)/)) {
        return
    }
    Array.prototype._reverse = Array.prototype.reverse;
    Array.prototype.reverse = function b() {
        this.length = this.length;
        return Array.prototype._reverse.call(this)
    };
    var a = {
        enumerable: false
    };
    Object.defineProperties(Array.prototype, {
        _reverse: a,
        reverse: a,
    })
})();